Rickards, James, author
Portfolio Penguin, 2015
Buku Teks
Chang, Gordon G., author
Century, 2001
Buku Teks
Lowenfeld, Andreas F., author
Matthew Bender, 1984
Buku Teks
Grubel, Herbert G., author
Penguin Books, 1972
Buku Teks
D.C. International Monetary Fund , 1987
Buku Teks